Pentax smc PENTAX DA 55-300mm F4-5.8 ED on Pentax K-S1 vs Pentax smc Pentax DA 18-250mm F3.5-6.3 ED AL [IF] on Pentax K-S1 vs Pentax smc DA 18-270mm F3.5-6.3 ED SDM on Pentax K-S1

COMPARISON SELECTION (3 selected items max.)

DXOMARK Score

Best at f=300mm & f/5.8 [?]
13

Lens Metric Scores

Sharpness [?]
6 P-Mpix
Transmission [?]
5.1 TStop
Distortion [?]
0.4 %
Vignetting [?]
-0.8 EV
Chr. aberration [?]
9 µm

DXOMARK Score

Best at f=18mm & f/3.5 [?]
13

Lens Metric Scores

Sharpness [?]
6 P-Mpix
Transmission [?]
5.6 TStop
Distortion [?]
0.6 %
Vignetting [?]
-0.8 EV
Chr. aberration [?]
14 µm

DXOMARK Score

Best at f=18mm & f/3.5 [?]
12

Lens Metric Scores

Sharpness [?]
5 P-Mpix
Transmission [?]
5.7 TStop
Distortion [?]
0.7 %
Vignetting [?]
-0.8 EV
Chr. aberration [?]
8 µm